How lucky! We were just______ for the train.
A. in time
B. on time
C. in no time
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The once separate issue of environment and development are now()linked.
A. intangible
B. indispensable
C. inextricably
D. incredibly
中国社会主义民主政治最鲜明的特点是()
A. 政治协商制度
B. 多党合作制
C. 人民代表大会制度
D. 民主集中制
与遗传性乳腺癌密切相关的基因是
APC基因
BRCA1和BRCA2基因
C. NF-1基因
D. RB基因
E. WT-1基因
______ you won't help me, I must do the work myself.
A. Though
B. Now that
C. So that